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双折射材料的温度修正 Birefringent Material Temperature Modification >Ki]8& ("@V{<7(t 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: &_x/Dzu!z D0_x|a 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline {~{s =c0 'f<_SKd 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline NGeeD?2~
*Zo o 3.Loop over the baseline material samples and determine the number of wavelength entries
#YMp,i H_r'q9@<> 4.Loop over each sampled wavelength entry in the baseline material .2- JV0 ^+l\YB7pD a.Modify the ordinary and extraordinary refractive index values using (2) above Pj5#G0i% -{sv3|P> b.Apply the modified values to the non-baseline material $}c@S0%P" (dprY1noC 5.Set a description on the non-baseline material indicating the temperature change from baseline T1]X SG o:FG 脚本编程及GUI例程请下载链接: V# %spW 'ah0IYe http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs .*ovIU8 r4>I?lD http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 6&Ir0K/ lTd2~_ <UL|%9=~ QQ:2987619807 h*LL(ow5
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